Table 3.

Hemodynamic response during adenosine vs. rest

	Controls	SSc patients	P
Rest
HR [bpm]	65 ± 10	73 ± 11	0.026*
Systolic BP [mmHg]	124 ± 13	127 ± 20	0.78
Diastolic BP [mmHg]	73 ± 9	71 ± 13	0.55
MP [ml/min/g]	1.1 ± 0.3†	1.1 ± 0.5	0.85
Adenosine stress
HR [bpm]	85 ± 15	93 ± 13	0.05
Systolic BP [mmHg]	124 ± 17	124 ± 19	0.70
Diastolic BP [mmHg]	70 ± 11	65 ± 10	0.23
MP [ml/min/g]	4.2 ± 1.3	3.1 ± 0.9	0.008*
CFR	4.3 ± 1.1†	3.5 ± 1.9	0.09

Variables are presented as mean ± SD. * P < 0.05. † N = 18

HR heart rate, BP blood pressure, MP myocardial perfusion, CFR coronary sinus flow reserve (MP stress / MP rest)